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All results from a given calculation for C8H6 (Calicene)

using model chemistry: CISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-307.108115
Energy at 298.15K-307.113123
HF Energy-306.291293
Nuclear repulsion energy301.569933
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CISD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3458 3202 13.07      
2 A1 3368 3118 18.77      
3 A1 3343 3095 5.34      
4 A1 1921 1778 727.58      
5 A1 1683 1558 165.84      
6 A1 1608 1489 202.92      
7 A1 1504 1393 153.76      
8 A1 1292 1196 23.36      
9 A1 1149 1064 15.11      
10 A1 1075 995 19.43      
11 A1 1013 938 8.14      
12 A1 931 862 71.98      
13 A1 513 475 0.55      
14 A2 967 896 0.00      
15 A2 942 872 0.00      
16 A2 754 698 0.00      
17 A2 608 563 0.00      
18 A2 228 211 0.00      
19 B1 949 879 0.01      
20 B1 792 733 116.91      
21 B1 752 696 31.11      
22 B1 630 583 5.35      
23 B1 454 420 8.26      
24 B1 133 123 5.56      
25 B2 3418 3164 6.39      
26 B2 3359 3110 31.26      
27 B2 3334 3087 1.02      
28 B2 1712 1585 0.04      
29 B2 1443 1336 0.37      
30 B2 1313 1215 1.93      
31 B2 1214 1124 15.94      
32 B2 1172 1085 7.15      
33 B2 1035 958 5.68      
34 B2 873 809 2.18      
35 B2 524 486 0.98      
36 B2 155 144 1.74      

Unscaled Zero Point Vibrational Energy (zpe) 24808.8 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 22968.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CISD/6-31G*
ABC
0.22802 0.04806 0.03970

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.042
C2 0.000 0.000 1.299
C3 0.000 0.657 2.555
C4 0.000 -0.657 2.555
C5 0.000 1.165 -0.909
C6 0.000 -1.165 -0.909
C7 0.000 0.727 -2.187
C8 0.000 -0.727 -2.187
H9 0.000 1.574 3.112
H10 0.000 -1.574 3.112
H11 0.000 2.188 -0.569
H12 0.000 -2.188 -0.569
H13 0.000 1.342 -3.071
H14 0.000 -1.342 -3.071

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.34122.67902.67901.45271.45272.26462.26463.52473.52472.25022.25023.31353.3135
C21.34121.41761.41762.49722.49723.56093.56092.40062.40062.87692.87694.57214.5721
C32.67901.41761.31493.50153.91484.74234.93981.07242.29993.47904.22565.66815.9714
C42.67901.41761.31493.91483.50154.93984.74232.29991.07244.22563.47905.97145.6681
C51.45272.49723.50153.91482.33081.35032.28324.04174.86561.07733.37022.16933.3111
C61.45272.49723.91483.50152.33082.28321.35034.86564.04173.37021.07733.31112.1693
C72.26463.56094.74234.93981.35032.28321.45435.36555.77652.17923.33341.07772.2508
C82.26463.56094.93984.74232.28321.35031.45435.77655.36553.33342.17922.25081.0777
H93.52472.40061.07242.29994.04174.86565.36555.77653.14833.73165.26306.18746.8364
H103.52472.40062.29991.07244.86564.04175.77655.36553.14835.26303.73166.83646.1874
H112.25022.87693.47904.22561.07733.37022.17923.33343.73165.26304.37522.64104.3269
H122.25022.87694.22563.47903.37021.07733.33342.17925.26303.73164.37524.32692.6410
H133.31354.57215.66815.97142.16933.31111.07772.25086.18746.83642.64104.32692.6848
H143.31354.57215.97145.66813.31112.16932.25081.07776.83646.18744.32692.64102.6848

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.370 C1 C2 C4 152.370
C1 C5 C7 107.724 C1 C5 H11 124.935
C1 C6 C8 107.724 C1 C6 H12 124.935
C2 C1 C5 126.660 C2 C1 C6 126.660
C2 C3 C4 62.370 C2 C3 H9 148.890
C2 C4 C3 62.370 C2 C4 H10 148.890
C3 C2 C4 55.261 C3 C4 H10 148.740
C4 C3 H9 148.740 C5 C1 C6 106.679
C5 C7 C8 108.936 C5 C7 H13 126.250
C6 C8 C7 108.936 C6 C8 H14 126.250
C7 C5 H11 127.341 C7 C8 H14 124.814
C8 C6 H12 127.341 C8 C7 H13 124.814
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability